A group of scientists say in new research that matching dinosaur tracks found in modern-day Brazil and Cameroon were made 120 million years ago in an area that once connected the two continents.
A father and daughter discovered fossil remnants of a giant ichthyosaur that scientists say may have been the largest-known marine reptile to ever swim the seas.
A 125-million-year-old fossil from the early Cretaceous shows the skeletons of a smaller mammal biting a larger horned dinosaur, suggesting a much more complex ancient food web.
Podokesaurus holyokensis, which lived millions of years ago in what is now Massachusetts, has been named the state's official dinosaur under legislation signed into law by Gov. Charlie Baker.
All of the other known Gorgosaurus skeletons are in museum collections, making this one the only specimen available for private ownership, Sotheby's said.
A project to replace the boardwalk at the Mill Canyon Dinosaur Tracksite in Moah, Utah, cause minor damage to tracks and trace fossils at the site, a Bureau of Land Management paleontologist found.
Researchers have found hundreds of baby dinosaur bones in the Alaskan Arctic, suggesting that dinosaurs may have lived at cold northern latitudes year-round.
"Cooper," a gargantuan dinosaur that roamed the Outback, is the first of its kind found outside South America. The new species had a long neck and tail, as well as four legs, and ate plants.
Harvard researchers say a comet from deep space — not an asteroid from the belt past Mars — was responsible for the mass extinction. Others are skeptical.
